Princeton is changing how it enforces academic integrity by introducing proctoring and updating its century-old honor code framework. The shift reflects growing student frustration with how AI tools are being used for coursework and assessments, and it comes as universities across the sector reassess how to protect credential value without eroding trust. The decision is policy-critical: proctoring can alter student experience, raise privacy and fairness concerns, and require clear communications to help students understand expectations and supported accommodations. The honor-code model is also culturally embedded, so any procedural change tends to generate governance debate and ongoing implementation scrutiny. For higher education leaders, the Princeton move signals that AI disruption is moving from “recommendations” to “enforcement,” with institutions increasingly willing to modify long-standing community norms to address perceived integrity breakdowns.